anne melisa 1301298 updated geothermal reservoir model of olkaria i, ii and iv[1]

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PROCEEDINGS, Kenya Geothermal Conference 2011

Kenyatta International Conference Center, Nairobi, November 21-22, 2011

UPDATED GEOTHERMAL RESERVOIR MODEL OF OLKARIA I, II AND IV

Felix M. Mwarania

Kenya Electricity Generating Company P.O Box 785-20117, Naivasha [email protected]

ABSTRACT

Production in the greater Olkaria Geothermal field has been ongoing since 1980s. To date, three sectors of the fields have been developed; two by kenGen and one by Orpower4 Inc. Downhole temperature profiles have been used in updating conceptual reservoir model of the field. Four up-flow zones have been observed from the model in three parts of the greater Olkaria Geothermal field with wells drilled in these zones producing highest output.

Keywords: Olkaria, up flow, down flow